Home / 80,759.22-111,456.64-48,945.66

Finding the Fourth Proportional to 80,759.22, 111,456.64 and 48,945.66

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Solution

The fourth proportional to 80,759.22, 111,456.64 and 48,945.66 is: 67,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759.22 : 111,456.64 = 48,945.66 : x
  2. Step 2: Convert to fraction form
    80,759.22/111,456.64 = 48,945.66/x
  3. Step 3: Cross multiply
    80,759.22x = 111,456.64 × 48,945.66
  4. Step 4: Simplify right side
    80,759.22x = 5,455,318,806.18
  5. Step 5: Solve for x
    x = 5,455,318,806.18/80,759.22
  6. Step 6: Final answer
    x = 67,550.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.